Motion of the water is different than the motion of the wave. Water at each location moves in a circular path, but the motions at different locations are “out of phase”, which means that when water at the left of the diagram is moving to the right, water a quarter of a wavelength to the right is moving down, and water next to it is moving to the left, and next to it is moving up, etc. The overall effect is a an “apparent” wave moving to the right. Thus, the velocity (speed) of a wave is not at all the same as the velocity of the water.
With magnetic rowing machines, adjusting the resistance means varying the distance between a flywheel and one or more strong magnets. This is done either manually, using mechanical sliders, or digitally by the console controls. Like hydraulic rowers, magnetic rowing machines operate quietly and have a compact design for easy storage. Unlike hydraulic rowers, they can provide a smooth and consistent workout. It's a very different kind of feel to what you'd expect from an air or water rower, though. You still get a good workout, but it doesn't simulate the sensation of rowing in quite the same way.
A rowing workout can produce sustainable results without negatively impacting muscles and joints. With a reported average of five hundred to a thousand calories burned per workout, rowing machines are the hottest new fitness trend in the industry. Because of this, manufacturers are working overtime to produce a wide variety of styles and types of row machines, all of which can offer an effective low-impact total body workout. With so many choices of models, it can be confusing for beginners to choose the right type. Most consumers automatically choose the cheapest rower, however, cheaper models often feature piston resistance, which is considered the worst type of technology because the workouts are uncomfortable and the machine itself is often poorly designed.
Waterrower dimensions: 83'' x 22'' x 21'' / weight: 108 lbs (at minimum water level)built for light commercial use and practically... maintenance free, rowing machine targets all major muscle groups (84% of total muscle mass) w/ excellent adjustable resistance levelsmade w/ kiln dried harwood; danish oil and urethane finish for better wood performance/strength and cozy feel to your gymboasts a patented water flywheel that mimics the natural dynamics of rowing yet suitable for users w/ joint concerns (chlorine tablet is available free of charge)enjoy 1 year manufacturer's warranty (upgradeable to 3-year parts while 5-year frame is free of charge w/ registration)comes w/ the s4 performance monitor for quickstart of functions and displays intensity, kcalories per hour, strokerate, heartrate, and more!Storage dimensions: 21'' x 22'' x 83'' (easily store it on end)entry height is at 12'' (at 20'' w/ optional hi-rise adaptor)noise/intrusion levels: soothing and relaxing/minimal read more
Note: Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you. Some states do not allow the exclusion on limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
At the international level, women's rowing traditionally has been dominated by Eastern European countries, such as Romania, Russia, and Bulgaria, although other countries such as Germany, Canada, the Netherlands, Great Britain and New Zealand often field competitive teams.[55][57] The United States also has had very competitive crews, and in recent years these crews have become even more competitive given the surge in women's collegiate rowing.[58]
 The amount of water in the tank simulates the weight of the boat and crew, the more water in the tank the heavier the boat and crew. The standard Calibration Level is Level 17. If the user is lighter in weight, Level 15-16 can be used. If the user is heavier in weight, level 18-19 can be used. The maximum level to fill the tank is Level 19. DO NOT fill above the maximum level – this could void the warranty.

In addition to this, certain crew members have other titles and roles. In an 8+ the stern pair are responsible for setting the stroke rate and rhythm for the rest of the boat to follow. The middle four (sometimes called the "engine room" or "power house") are usually the less technical, but more powerful rowers in the crew, whilst the bow pair are the more technical and generally regarded as the pair to set up the balance of the boat. They also have most influence on the line the boat steers.

The table on the left gives the speed of waves of different wave lengths in deep water. “Deep” in this context is not an absolute value, but is relative to wave length. The simple relationship starts to to breakdown when the depth of the water is less than 1/4 th the wave length. At that depth the bottom exerts sufficient drag on the wave to slow its motion and thus decrease the wavelength [equations and more about wave speed].
Assembled dimensions: 83L x 24W x 20H inches. Complete aerobic exercise. Folds for easy storage. Easy-to-use monitor keeps you on ...track. Eco-friendly ash wood frame, some assembly required. Assembled weight: 143 lbs.. Manufacturer's warranty included (see product guarantee). Sustainable ash frame has oak stain and Danish oil finish - eco-friendly and stylishWater tank ensures smooth-gliding motion and is simple to maintainEasy-to-use training monitor tracks stroke rate, intensity, distance, and timeQuick assembly: only requires a 5mm Allen Key wrench (included)Smooth-gliding wheels mounted on sturdy railsHandlebars, seat, and footrest are comfortable and durableWorks 84 percent of muscle mass for maximum resultsCombines aerobic workout and resistance for total body reshapingManufacturer's warranty included: see complete details in the Product Guarantee areaDisclaimer:WaterRower will not provide support or documentation for any product transported outside of the original country of purchase. read more
Wave water resistance feels and sounds like rowing on the water. Water resistance provides a dynamic rowing stroke with infinite resistance levels. Siphon included for filling and removing water from reservoir. Wide, molded seat for comfort. Ball-bearing rollers for smooth seat gliding. Multi-function monitor provides instant feedback on your workout. Padded, textured rowing handle for better grip. Pivoting footplates with adjustable strap to secure feet. Folding frame for storage. Wheels for transport. Leveling endcaps with dial to ensure stability. Nylon rowing strap. Blue water tank. Padded seat. Targeted training: Full body strength and cardio. Weight capacity: 300 lbs.. Warranty: Three years on frame and 90 days on parts. Made from steel. Black finish. Minimal assembly required. 85.35 in. L x 20.25 in. W x 33.75 in. H (71.7 lbs.). Instruction Manual. Real Water Resistance: Because the Stamina Wave Water Rowing Machine incorporates water resistance, users will truly feel as though they are out on the lake or river. Water resistance makes the rowing stroke smoother and more consistent, but most importantly, it offers infinite resistance. Just like rowing on water, faster, harder pushes increase the resistance. To further increase or decrease the resistance, you can add or remove water with the included siphon. Even more, water in the reservoir mimics the sound of moving water, which makes the indoor rowing experience more lifelike. Built to Endure While Building Endurance: The Wave Water Rowing Machine is built to last no matter how often you use it. With steel frame construction and rowing beam, the rower can withstand years of prolonged, intense use. Even more, the sturdy, pivoting footplates with straps keep you secure during your workout while the rower itself is stabilized on leveling endcaps with dials. To further motivate you, the rower also comes equipped with a multi-function monitor that tracks dis

Noise level is another large factor that tips the scale more towards water rowers. Air rowers make a fairly loud “whooshing” noise every stroke, which makes them bad for people who like watching TV, have sleeping children, live in apartments, or like working out early in the AM. Water rowers do make some noise but the splashing of water in the tank is a lot quieter and more soothing than the fan noise produced by air rowers.
Rowing events use a systematic nomenclature for the naming of events, so that age, gender, ability and size of boat can all be expressed in a few numbers and letters. The first letter to be used is 'L' or 'Lt' for lightweight. If absent then the crew is open weight. This can be followed by either a 'J' or 'B' to signify junior (under 19 years) or under 23 years respectively. If absent the crew is open age (the letter 'O' is sometimes used). Next is either an 'M' or 'W' to signify if the crew are men or women. Then there is a number to show how many athletes are in the boat (1,2,4 or 8). An 'x' following the number indicates a sculling boat. Finally either a + or – is added to indicate whether the boat is coxed or coxswainless.
The WaterRower Classic is outfitted with a Series 4 performance monitor that's designed to balance technical sophistication with user-friendliness. The monitor--which includes six information and programming windows, six QuickSelection buttons, and three navigation buttons--displays your workout intensity, stroke rate, heart rate, zone bar, duration, and distance. Plus, the monitor is compatible with an optional heart rate chest strap and receiver, which helps you optimize your workout and achieve your exercise objectives.
Con's: Super bummed that for $1160 they couldn't include an internal ANT+ transponder and Heart Rate strap(sub $100 package). The foot straps are crap! Within the first 1000m of moderate rowing they loosen to the point of being able to pull foot out on Recovery of stroke(Yes, even with ball of foot down). I really wish the WaterCoach F.I.T. software for the S4 Monitor was macOS compatible. It'd be nice to able to customer program workouts on my MacBook Pro or iMac.
Assembled dimensions: 86L x 24W x 27H inches. Total body fitness - aerobic and resistance exercise. Folds and rolls for easy Easy-to-use monitor keeps you on track. Brushed stainless steel frame, some assembly required. Assembled weight: 200 lbs.. Manufacturer's warranty included (see product guarantee). Fabricated tubular steel frame with brushed finish - great for commercial or home useWater tank ensures smooth-gliding motion and is easy to maintainEasy-to-use training monitor tracks stroke rate, intensity, distance, and timeQuick assemble using only a 5mm Allen Key wrench (included)Smooth-gliding seat wheels mounted on durable rails for stable, easy movementHandlebars, seat, and footrest are comfortable and durableWorks 84 percent of muscle mass for maximum resultsCombines aerobic workout and resistance for total body reshapingManufacturer's warranty included: see complete details in the Product Guarantee areaDisclaimer:WaterRower will not provide support or documentation for any product transported outside of the original country of purchase. read more
The Verified Sustainable Hardwoods used for the WaterRower are sourced from the Appalachian Mountain region of the eastern United States, where planting rates exceed harvest rates by an average multiple of 2.29. The Appalachian Hardwood Timber resource includes more than 65.4 million acres in the eastern United States and provides the world with a bounty of the finest hardwood species.

If you are anything like me, you read the negative reviews to see what some of the complaints could potentially be...I have found none that match with my machine or experience so far. The boxes it came in were a little bunged-up but everything on the inside was perfect. Only took about 15-20 minutes to build (first time building a row machine) and another 5-10 to fill with water. We used it for a little while before we added the danish oil. 

Rowing is a cyclic (or intermittent) form of propulsion such that in the quasi-steady state the motion of the system (the system comprising the rower, the oars, and the boat), is repeated regularly. In order to maintain the steady-state propulsion of the system without either accelerating or decelerating the system, the sum of all the external forces on the system, averaged over the cycle, must be zero. Thus, the average drag (retarding) force on the system must equal the average propulsion force on the system. The drag forces consist of aerodynamic drag on the superstructure of the system (components of the boat situated above the waterline), as well as the hydrodynamic drag on the submerged portion of the system. The propulsion forces are the forward reaction of the water on the oars while in the water. Note also that the oar can be used to provide a drag force (a force acting against the forward motion) when the system is brought to rest.
Blades, otherwise known as oars to amateurs or non rowers, are used to propel the boat. They are long (sculling: 250–300 cm; sweep oar: 340–360 cm) poles with one flat end about 50 cm long and 25 cm wide, called the blade. Classic blades were made out of wood, but modern blades are made from more expensive and durable synthetic material, the most common being carbon fiber.
The benefit of a water resistance rower is that it most closely simulates a boat moving through water. Rowing resistance comes from the effect of fluid drag acting on the boat; in other words, resistance increases according to stroke rate. The patented WaterFlywheel emulates this naturally self-paced benefit of rowing. This is a workout with immediate benefits, regardless of your level of experience! Please also note that you can adjust the workout intensity by changing the amount of water in the tank. The more water, the higher the effort level required.
Rowing machines are an excellent and effective way to get exercise and muscle tone, thanks to their sliding seat and repetitive rowing motion, that allows the engagement of almost all major muscle groups, without the need for a lot of gear or a lot of space compared to most workout machines. Long renowned as the perfect aerobic exercise, the WaterRower is unmatched with its ability to burn calories within a perceived level of exertion. Low impact and body weight bearing, the WaterRower is perfect for any user, and each one is built from beautiful, rich wood that is sourced only from sustainably-managed forests where growth exceeds removal by 229%.
Rowing, often referred to as crew in the United States,[1] is a sport whose origins reach back to Ancient Egyptian times. It involves propelling a boat (racing shell) on water using oars. By pushing against the water with an oar, a force is generated to move the boat. The sport can be either recreational for enjoyment or fitness, or competitive, when athletes race against each other in boats.[2] There are a number of different boat classes in which athletes compete, ranging from an individual shell (called a single scull) to an eight-person shell with coxswain (called a coxed eight).
Medical Professionals and Physical Therapists trust the benefits of the WaterRower and Rowing as an excellent cardio exercise. Burning up to 1000 calories per hour and working out up to 84% of your muscle mass during one exercise, rowing offers a tremendously beneficial exercise without the perceived fatigue and exhaustion often apparent when using other cardio training gym equipment.
One of the most common brand of ergometers is Concept2.[33] The company offers multiple types of models, including the Model D, Model E, and the dynamic rower. An updated Rowperfect brand of dynamic rowers, RP3, produces ergometers that more naturally mimic the feel and resistance of rowing in a shell on the water. It additionally, shows a dynamic force curve of power that provides the rower with detailed information about their stroke which they can use to improve technique and get stronger.[34]
Function plays a large role in defining good design. When designers look at an object, they don't just consider its aesthetic appearance; they should also challenge it to be more versatile, to respond to the user's need, or to achieve its purpose more elegantly. Good design has the capacity to solve problems that sometimes we didn't even know we had. This is one of the ways design touches and enriches our everyday life.
In sweep or sweep-oar rowing, each rower has one oar, held with both hands. This is generally done in pairs, fours, and eights. In some regions of the world, each rower in a sweep boat is referred to either as port or starboard, depending on which side of the boat the rower's oar extends to. In other regions, the port side is referred to as stroke side, and the starboard side as bow side; this applies even if the stroke oarsman is rowing on bow side and/or the bow oarsman on stroke side.